78832685575 has 12 divisors (see below), whose sum is σ = 111717177520. Its totient is φ = 54056698560.

The previous prime is 78832685557. The next prime is 78832685579. The reversal of 78832685575 is 57558623887.

It is a de Polignac number, because none of the positive numbers 2^k-78832685575 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78832685579) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 225236070 + ... + 225236419.

Almost surely, 2^78832685575 is an apocalyptic number.

78832685575 is a deficient number, since it is larger than the sum of its proper divisors (32884491945).

78832685575 is a wasteful number, since it uses less digits than its factorization.

78832685575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450472506 (or 450472501 counting only the distinct ones).

The product of its digits is 112896000, while the sum is 64.

The spelling of 78832685575 in words is "seventy-eight billion, eight hundred thirty-two million, six hundred eighty-five thousand, five hundred seventy-five".